Solutions by everydaycalculation.com
1st number: 1 1/4, 2nd number: 3/12
54 - 312 is 11.
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Related: 10/4-3/12 5/4-6/12 5/8-3/12 5/4-3/24 15/4-3/12 5/4-9/12 5/12-3/12 5/4-3/36 25/4-3/12 5/4-15/12 5/20-3/12 5/4-3/60 35/4-3/12 5/4-21/12 5/28-3/12 5/4-3/84
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